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12242420624 = 247166365729
BaseRepresentation
bin10110110011011010…
…01000001110010000
31011121012021101221002
423121231020032100
5200033024424444
65342445321132
7612243600260
oct133155101620
934535241832
1012242420624
1152125888a5
122457b661a8
131201452395
14841cc37a0
154b9ba8d4e
hex2d9b48390

12242420624 has 40 divisors (see below), whose sum is σ = 27124930560. Its totient is φ = 5243516928.

The previous prime is 12242420549. The next prime is 12242420627. The reversal of 12242420624 is 42602424221.

It is not an unprimeable number, because it can be changed into a prime (12242420627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153392 + ... + 219120.

It is an arithmetic number, because the mean of its divisors is an integer number (678123264).

Almost surely, 212242420624 is an apocalyptic number.

12242420624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12242420624 is an abundant number, since it is smaller than the sum of its proper divisors (14882509936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12242420624 is a wasteful number, since it uses less digits than its factorization.

12242420624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67407 (or 67401 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 12242420624 its reverse (42602424221), we get a palindrome (54844844845).

The spelling of 12242420624 in words is "twelve billion, two hundred forty-two million, four hundred twenty thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 1663 3326 6652 11641 13304 23282 26608 46564 65729 93128 131458 186256 262916 460103 525832 920206 1051664 1840412 3680824 7361648 109307327 218614654 437229308 765151289 874458616 1530302578 1748917232 3060605156 6121210312 12242420624